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Allow interposing the 1st vmethod

develop
Quietust 2012-08-21 15:27:29 -05:00
parent 44e3e318d0
commit 985d96c596
1 changed files with 3 additions and 0 deletions
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3
library/VTableInterpose.cpp
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@ -57,6 +57,7 @@ bool DFHack::is_vmethod_pointer_(void *pptr)
// This expects that they all follow a very specific pattern. // This expects that they all follow a very specific pattern.
auto pval = (unsigned*)pobj->method; auto pval = (unsigned*)pobj->method;
switch (pval[0]) { switch (pval[0]) {
case 0x20FF018BU: // mov eax, [ecx]; jmp [eax]
case 0x60FF018BU: // mov eax, [ecx]; jmp [eax+0x??] case 0x60FF018BU: // mov eax, [ecx]; jmp [eax+0x??]
case 0xA0FF018BU: // mov eax, [ecx]; jmp [eax+0x????????] case 0xA0FF018BU: // mov eax, [ecx]; jmp [eax+0x????????]
return true; return true;
@ -72,6 +73,8 @@ int DFHack::vmethod_pointer_to_idx_(void *pptr)
auto pval = (unsigned*)pobj->method; auto pval = (unsigned*)pobj->method;
switch (pval[0]) { switch (pval[0]) {
case 0x20FF018BU: // mov eax, [ecx]; jmp [eax]
return 0;
case 0x60FF018BU: // mov eax, [ecx]; jmp [eax+0x??] case 0x60FF018BU: // mov eax, [ecx]; jmp [eax+0x??]
return ((int8_t)pval[1])/sizeof(void*); return ((int8_t)pval[1])/sizeof(void*);
case 0xA0FF018BU: // mov eax, [ecx]; jmp [eax+0x????????] case 0xA0FF018BU: // mov eax, [ecx]; jmp [eax+0x????????]